A scientist measures the standard enthalpy change for the following reaction to be -2910.6 kJ: 2C2H6(g)7 02(g)- 4CO2(g)6 H20(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H2O(g) is kJ/mol Submit Answer Retry Entire Group 9 more group attempts remaining

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Q: Calculate the heat (in kJ) associated with 246 g of white phosphorus burning in air according to the…

A: Answer: This is the combustion reaction of phosphorus and it is an exothermic reaction.

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A: The given data contains, mass of SO2 = 6.6×105 g.

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Q: Calculate the enthalpy of the reaction 2NO(g)+O2(g)→2NO2(g) given the following reactions and…

A: Hi there! Since there are multiple questions, we will answer the first question for you. If you need…

Q: Use the average bond enthalpies from Table 8.3 in your textbook to estimate ΔHΔH for the formation…

A: The given chemical reaction is as follows: CH4(g) + 2O2(g) → CO2(g) + 2H2O(g) The ∆H of the reaction…

Q: A scientist measures the standard enthalpy change for the following reaction to be -201.7 kJ : CO(g)…

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Q: 3. For the reaction below, 5.95 kJ of heat must be supplied to convert 13.43 g lead(II) oxide into…

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Q: 2. The hydrogenation of coal is a method of producing methane by the following reaction: Ca + 2H2@)…

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Q: A scientist measures the standard enthalpy change for the following reaction to be -168.0 kJ:…

A: The given equation is, NH4NO3aq→N2Og+2H2Ol The standard enthalpy formation is -168.0 kJ.

Q: Carbon disulfide is a colorless liquid. When pure, it is nearly odorless, but the commercial product…

A: Given:

Q: 5. Sand is converted to pure silicon in a three step process. The third step is SiCl,(g) + 2Mg(s) →…

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Q: A 0.3423 g sample of pentane, C5H12. was burned in a bomb calorimeter. The temperature of the…

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Q: Chloromethane, CH3CI, is formed from methane and chlorine in the following reaction: CH4 (g) + Cl2…

A: Enthalpy of formation is the amount of energy released when 1 mole of compound is formed from its…

Q: A scientist measures the standard enthalpy change for the following reaction to be -820.7 kJ…

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Q: For the reaction H2(g) + 1/2 O2(g) --> H2O(g), DHo = -241.8 kJ/mol. what mass of H2(g) in grams is…

A: To solve this problem we have to use the given thermochemical equations. First we have to write the…

Q: Suppose you burned 0.300 g of C(s) in an excess of O₂ (g) in a constant-volume calorimeter to give…

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Q: Determine the enthalpy of reaction, ∆H, for the formation of nitrogen oxide.   ​​​N2O (g) + NO2 (g)…

A: The given reaction is:                                  N2Og + NO2g → 3NOg The change in enthalpy of…

Q: enthalpy change for the following reaction to be -826.6 kJ : Fe2O3(s) + 2 Al(s)Al2O3(s) + 2 Fe(s)…

A: Heat of reaction is defined as difference of energy of product  and energy of Reactant. If heat of…

Q: Pentaborane−9 (B5H9) is a colorless, highly reactive liquid that will burst into flames when exposed…

A: The required reaction is given below.

Q: 3. Enthalpy: Ozone, O3(g), is a form of elemental oxygen that is important in the absorption of…

A: Per mol change in Enathapy =  -284. 6 kj Higher enthalpy under 2O3 (g) or 3O2 (g) = -142. 3 kj

Q: 2. Calculate the enthalpy change of the reaction that produces carbon monoxide by treating CO2 (g)…

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Q: Ammonia is used in the production of nitric(V) acid. a) Write an equation for the oxidation of…

A: Here we have determine ∆H rxn of the following given reactions.

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Q: 1. Calculate for the enthalpy of the following reaction between dinitrogen tetroxide, N204, and…

A: We would use given values of ∆Hf values to calculate enthalpy change.

Q: SnCl2 (k) → Sn (k) + Cl2 (g) +325.1 kJ 2 SnCl2 (k) + 2 Cl2 (g) → 2 SnCl4 (s) -372.4 kJ Using the…

A: The reaction enthalpy, ∆H, is the energy that is involved in carrying out a reaction. Energy may be…

Q: Hydrazine, N2 H4, is a colorless liquid used as a rocket fuel. What is the enthalpy change for the…

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Q: The target reaction for the reaction forming coal gas is as follows: H,O(g) + C(s) → CO(g) + H,(g)…

A: In the above question apply Hess law of constant heat summation i.e enthalpy of net reaction remains…

Q: A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat…

A: Mass of anthracene (C14H10) = 0.4043 g Mass of water =  1.230×103 g  Initial temperature = 23.91 °C…

Q: A scientist measures the standard enthalpy change for the following reaction to be -1051.8 kJ…

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Q: Under certain nonstandard conditions, the oxidation of 1 mol of SO2(g) to SO3(9) by O2 (g) absorbs…

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Q: Mg(s)+2H2O(l)→Mg(OH)2(s)+H2(g). Calculate the standard enthalpy change for this reaction. Calculate…

A: Enthalpy change of the given reaction can be calculated for the given formula.

Q: Gaseous SO2Cl2 reacts with liquid water to form hydrogen chloride gas and liquid sulfuric acid.…

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Q: 33.9 Given the following two reactions and their enthalpy changes,             2 ClO2 (g)   -->…

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Q: Boron, atomic number 5, occurs naturally as two isotopes, 10B and 11B, with natural abundances of…

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Q: Determine ΔH in kJ/mol for the following reaction: 2NO(g) + O2(g) --> 2NO2(g) The standard…

A: Given that:  2NO(g) + O2(g) <......> 2NO2(g)  dH°NO = 90.4 KJ/mol  dH°NO2 = 33.9 KJ/mol

Q: 6.72 Many portable gas heaters and grills use propane, CHg(g), as fuel. Using standard enthalpies of…

A: Answer 6.72 The combustion reaction of propane is as follows This process follows Hess's Law.…

Q: Use the Reterences to access important values ii needed for this question. A scientist measures the…

A: The standard enthalpy of formation of FeCl2 is -341.78 kJ/mol and that of Fe (s) and H2 (g) is 0.…

Q: 1. 25 g of sodium (Na) is put into 200 mL of water. The reaction between the two produces sodium…

A: Enthalpy change calculated As heat chage(q) of the system.

Q: The combustion of 0.4196 g of a hydrocarbon releases 17.55 kJ of heat. The masses of the products…

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Q: With a platinum catalyst, ammonia will burn in oxygen to give nitric oxide, NO. 4NH3 (9) + 502 (g) →…

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Q: Using the table of standard formation enthalpies that you'll find under the ALEKS Data tab,…

A: Introduction The reaction can be calculated by using the thermodynamics values of the species which…

Q: Consider the following two reactions and write down the balanced chemical equations. Reaction 1:…

A: Enthalpy of a reaction at a given temperature is defined as the enethalpy change produced in the…

Q: Suppose you burned 0.300 g of C(s) in an excess of O₂ (g) in a constant-volume calorimeter to give…

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Q: A 0.403-g sample of xanthone (C13H8O2) is burned in a bomb calorimeter and the temperature increases…

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Q: Use standard enthalpies of formation to calculate ΔH° for the following reaction: Fe2O3 (s)   +   2…

A: Introduction : We have to calculate standard enthalpy of formation .